CVE-2026-89328 FluentBoards < 2.0.15 - Board Member+ Board Membership and Public Access Modification
Board members can perform manager-only actions like modifying membership and enabling public access due to missing authorization checks.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-89328?
CVE-2026-89328 is a low-severity missing authorization vulnerability in Unknown FluentBoards, published on 16 Sep 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
The FluentBoards WordPress plugin before 2.0.15 does not properly verify that a user holds board-manager privileges before performing several board-management operations, checking only board membership. This allows any member of a board to carry out manager-only actions on it, including adding or removing members and enabling public access to a private board.
Weakness: CWE-284
Which versions are affected by CVE-2026-89328?
How do I fix CVE-2026-89328?
No fix has been published for CVE-2026-89328 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-89328 being exploited?
There is no known exploitation of CVE-2026-89328 in the wild and no public exploit code.
Sources
Also known as GHSA-q8hc-f88v-p32p.